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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Thread#join" do
it "returns the thread when it is finished" do
t = Thread.new {}
t.join.should equal(t)
end
it "returns the thread when it is finished when given a timeout" do
t = Thread.new {}
t.join
t.join(0).should equal(t)
end
it "coerces timeout to a Float if it is not nil" do
t = Thread.new {}
t.join
t.join(0).should equal(t)
t.join(0.0).should equal(t)
t.join(nil).should equal(t)
-> { t.join(:foo) }.should raise_error TypeError
-> { t.join("bar") }.should raise_error TypeError
end
it "returns nil if it is not finished when given a timeout" do
q = Queue.new
t = Thread.new { q.pop }
begin
t.join(0).should == nil
ensure
q << true
end
t.join.should == t
end
it "accepts a floating point timeout length" do
q = Queue.new
t = Thread.new { q.pop }
begin
t.join(0.01).should == nil
ensure
q << true
end
t.join.should == t
end
it "raises any exceptions encountered in the thread body" do
t = Thread.new {
Thread.current.report_on_exception = false
raise NotImplementedError.new("Just kidding")
}
-> { t.join }.should raise_error(NotImplementedError)
end
it "returns the dead thread" do
t = Thread.new { Thread.current.kill }
t.join.should equal(t)
end
it "raises any uncaught exception encountered in ensure block" do
t = ThreadSpecs.dying_thread_ensures { raise NotImplementedError.new("Just kidding") }
-> { t.join }.should raise_error(NotImplementedError)
end
end
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